Company

Ultragenyx Pharmaceutical Inc.

RARE · CIK 0001515673

SEC FORM 4

$17,410.31

Sale of 1,283 shares at $13.57 per share.

Reporting Person Huizenga Theodore Alan · Officer Title SVP, Chief Accounting Officer · Transaction Code S

Traded Sep 15, 2026 · Disclosed Sep 15, 2026

Source: SEC Form 4 · 0001193125-26-392233 · filed 2026-09-15 · View filing →

SEC FORM 4

$2,252.39

Sale of 161 shares at $13.99 per share.

Reporting Person Huizenga Theodore Alan · Officer Title SVP, Chief Accounting Officer · Transaction Code S

Traded Sep 3, 2026 · Disclosed Sep 8, 2026

Source: SEC Form 4 · 0001193125-26-384878 · filed 2026-09-08 · View filing →